Rockwell Automation 25B PowerFlex 525 Embedded EtherNet/IP Adapter - Manual (Page 136)

136 Rockwell Automation Publication 520COM-UM001B-EN-E - March 2013
Appendix C EtherNet/IP Objects
Message Structure for Execute_DH+
The embedded EtherNet/IP adapter supports the following PCCC command
types:
For more information regarding PCCC commands, see DFI Protocol and
Command Set Manual (Allen-Bradley publication
1770-6.5.16 ).
Request Response
Name Data Type Description Name Data Type Description
DLink UINT Destination Link ID DLink UINT Destination Link ID
DSta USINT Destination Station number DSta USINT Destination Station number
DUser USINT Destination “User” number DUser USINT Destination “User” number
SLink UINT Source Link ID SLink UINT Source Link ID
SSta USINT Source Station number SSta USINT Source Station number
SUser USINT Source User number SUser USINT Source User number
CMD USINT Command byte CMD USINT Command byte
STS USINT 0 STS USINT Status byte
TNSW UINT Transport word TNSW UINT Transport word. Same value as the request.
FNC USINT Function code. Not used for all CMDs. EXT_STS USINT Extended Status. Not used for all CMDs.
PCCC_params Array of USINT CMD/FNC specific parameters PCCC_results Array of USINT CMD/FNC specific result data
CMD FNC Description
0x06 0x03 Identify host and some status
0x0F 0x95 Encapsulate the other protocol
0x0F 0x00 Word range read
0x0F 0x01 Word range write
N-File Description
N41 For Single-Drive Mode Only
This N-file lets you read and write control I/O messages. You can write control I/O messages only when
all of the following conditions are true:
• The adapter is not receiving I/O from a scanner. For example, there is no scanner on the network,
the scanner is in idle (program) mode, the scanner is faulted, or the adapter is not mapped to the
scanner.
• The value of N42:3 is set to a non-zero value.
Write Read
N41:0
N41:1
N42:2 Logic Command Word
Unused
Reference Logic Status Word
Unused
Feedback
N42 This N-file lets you read and write some values configuring the port
N42:3 Time-out (read/write): Time (in seconds) allowed between messages to the N41 or N44 file. If the
adapter does not receive a message in the specified time, it performs the fault action configured in
parameter C143 [EN Comm Flt Actn].
N42:7 Adapter Port Number (read only): DPI port on the drive to which the adapter is connected.
42:8 Peer Adapters (read only): Bit field of devices having DPI Peer capabilities.